As energy moves through an ecosystem,

Which characteristic do all prokaryotes and eukaryotes share? a. the need to take in oxygen for cellular respiration b. the need to acquire energy from other organisms c. the ability to transmit genetic information to an offspring d.

If an object is transported from earth to the planet Mars, which of the following properties will change? A. Mass B. Weight C. Volume D. Density

5. Which of the following accurately reflects the beliefs on Earth's early history? A. Scientists believe the early atmosphere lacked the oxygen necessary to support modern human life. B. Scientists believe that DNA may have existed before RNA. C.

Consider the model depicting the dynamics within a specific population of birds. Which input within this model is responsible for gene flow and therefore genetic variability within the existing bird population?

How are artificial selection and natural selection similar? How are they different?

Select the correct answer. Neurofibromatosis, a genetic disease caused by mutation on the NF1 gene, follows an autosomal dominant pattern of inheritance.

Which of the following is NOT a way a cell can increase its surface area A. decrease its volume B. add organelles C. let water out of the cell D. all of the above

Using a pH meter, you find that egg whites have a pH of nearly 8 and egg yolks have a pH near 6, if litmus paper turns blue in bases and red in acids, which part of eggs would turn litmus paper blue? A. both B. egg whites C. egg yolks D. neither

With all his gear neil armstrong weigh 360 pounds on earth when he landed on the moon he weighs 60 pounds why

Is a lion is a carnivore?